(function () {
    // 邮箱正则表达式
    const emailReg = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;
    // 手机号正则表达式
    const mobileReg = /^(13[0-9]|14[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$/;
    //身份证正则表达式(15位)
    const isIDCard1 = /^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$/;
    //身份证正则表达式(18位)
    const isIDCard2 = /^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{4}$/;
    // 加权因子
    var Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1];
    // 身份证验证位值.10代表X  
    var ValideCode = [1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2];
    // 身份证省份编码
    var city = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江 ", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北 ", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏 ", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外 " };
    //18位身份证需要验证最后一位校验位
    function isTrueValidateCodeBy18IdCard(code) {
        var flag = true;
        code = code.split('');
        var sum = 0;
        var ai = 0;
        var wi = 0;
        for (var i = 0; i < 17; i++) {
            ai = code[i];
            wi = Wi[i];
            sum += ai * wi;
        };
        ValideCode[sum % 11] == code[17] ? flag = true : flag = false;
        return flag;
    };

    module.exports = {
        testEmail: email => {
            var flag = true;
            (!emailReg.test(email)) ? flag = false : flag = true;
            return flag;
        },
        testMobile: mobile => {
            var flag = true;
            (!mobileReg.test(mobile)) ? flag = false : flag = true;
            return flag;
        },
        testID: idNumber => {
            idNumber = idNumber + "";
            var flag = true;
            city[idNumber.substr(0, 2)] ? flag = true : flag = false;
            (isIDCard1.test(idNumber)) ? flag = true : flag = false;
            (isIDCard2.test(idNumber)) && isTrueValidateCodeBy18IdCard(idNumber) ? flag = true : flag = false;
            return flag;
        }
    };
} ());